Patch applying mechanism



NOV. l0, 1 931. A, NovlCK 1,831,575

PATCH A'PPLYING MECHANISM Filed Dec. 27,-1924 s sheets-sheet 1 A. NOVICK PATCH APPLYING MECHANISM Nov. 10,1931.

Filed Dec. 27, 1924 5 Sheets-Sheet 2 by. M' M A//j/J Nov. 10, 1931, v A. NovlcK 1,831,575

' PATCH APPLYING MECHANISM Filed Dec. 27, 1924` 5 sheets-sheet s Nov. 1o, 1931.' y A NOVICK 1,831,575

PATCH APPLYING MECHANISM Filed Dec. 27, 1924 5 Sheets-sheet -4 /m/e/r/a/f:

ww zmw( i M M NOV. 10, 1931. A, NQVlCK 1,831,575

PATCH APPLYI'NG MECHANI SM Filed Dec. 27, 1924 5 sheets-sheet` 5 by Zur@ A//ys Patented Nov. 10, 1931 UNITED STATES PATENT oFFicE l ABRAHAM NOYICK', 0F FLUSH'ING, NEW YORK, ASSIGNOR T0 F. L. SMITHE MACHINE CO.,

INC., F YORK, N. Y., A CORPORATION 0F NEW YORK PATCH APPLYING- MECHANISM Application led December 27, 1924. Serial No. 758,334.

rlhis invention relates to means for and method of applying re-enforcing patches to flat containers in the form of envelopes which containers may be subsequently supplied with handles to be associated with the re-enforcing patches to prevent tearing of the containers when carried by the handles. Since the invention relates only to the means and method of applying the patches, the handles are not shown herein.

A feature of the invention resides in supplying the patches from a roll of material from which they are severed, one at a time. Each severed patch is received from aposition of rest and is then carried to the container and applied thereto while said container is fin transit, the containers being preferably formed from a web fed from another source of supply. Each patch may be fastened by means of adhesive material such as gum applied at the desiredlocation onl the container.

Another feature relates to means for intermittently feeding the patch supply web so that the patches may be severed from the web, while the patch supply web is at rest.

Another feature relates to means for conveying the severed patch from the severing means to theJ surface to which it is to be attached. said means comprising a feed cyl-.

inder for the envelope web, said feed cylinder comprising a suction device associated therewith to hold the patch on the cylinder while the latter is rotated the container.

A further feature relates to means comprising grippers which are caused to act instantaneously to grasp each patch as it is severed from the web. The grippers are carried by a revoluble support, and are-actuated by a stationary cam. Owing to the fact, however, that the grippers are4 stationary at the instant at which they must be closed, the cam itself is given an impulse at this instant, which impulse effects the closing of the gripto carry the patch to Still another feature of the invention relates to means whereby the patch support is temporarily arrested in its rotary movement so'that the freshly severed patch which is in a state of rest, may readily be attached thereto and grasped by the grippers on said support. To this end there is provided a train of links and levers actuated by a-constantly rotating shaft and controlled by a cam to arrest the patch support at the proper time. The above and other features and objects of the invention may be readily understood from the following description thereof, having reference to the accompanying drawings, in which: Figure 1 is a sectional side view of a portion of the machine showing the parts in osition just prior to severing the patch rom the supply web.

Figure-2 is a sectional side view of another ortion of the machine comprising the means or gumming the container web where the ree-enforcing patch is to be applied, the parts p corresponding in position to those shown in Figure l.

Figure 3 is a detail side view showing the means for controlling the shears by which the patches are severed, and the means for intermittently feeding the patch fweb.

Figure 4 is an end elevation of the machine as seen from the right hand side of Figure 1. Figure 5 is an end elevation of a portion of the machine showing the train of links and levers for temporarily arresting the patch carrier, the position of the parts corresponding to that shown in Figure 1.

Figure 6 is a vertical section taken on the line 6 6 of Figure ,5, looking in the direction of the arrows at said line, and shows the patch carrier and the mechanism for controlling `the same.

'patch is taken from thepatch carrier by the suction device associated with the upper feed cylinder;

Figure 10 is a view similar to Figure 5 but shows the sha-ft revolved from the position in Figure 5 while the patch carrier has re-` mained at rest and is about to be actuated again.

`Figure 11 is a developed view of the container before folding. f

Figure 12 shows the container after folding and the reenforcing patch applied.

A web of material 15, Figure 1, from whichv containers 16, Figure 12, are formed, is conducted from any suitable source of supply to suitable cutters, not shown, to form side iaps 17, Figure 11. The web is then conducted over a table, not shown, where the side flaps 17 are turned in by folding bars, not shown. The web then passes to a gumming device 18, Figure 2, where theside iaps 16 are gummed by two segmental discs 19, one for each of the side flaps. The gumming device comprises a gum pot 20 supported on standards 21 secured to a cross bar 22 fastened to upright bracketsv23 on the main frame 24 of the machine. Partly submerged in the gum pot 19 is suitably mounted a gum roller 25, secured to a shaft 26, which roller rotates in the gum to transfer it to the gummer discs 19. The gummer discs 19 are secured to a rotating shaft 27, which shaft is fioatingly supported on links 28, pivotally supported at 29 on the upright brackets 23 of the machine frame. By this arrangement the gummer discs 19 may be pressed by springs (not-shown) against a cylinder 30, to gum the foldedin side-{iaps 17 as the web 15 passes over said cylinder. The cylinder 30 is secured to a shaft 31 revolubly supported in the upright brackets 23. The surface speed of the gummer discs 19 is maintained the same as that of the cylinder 30 by gears 32 and 33, of proper ratios, fixed on the shafts 27 and 31 respectively; the gummer roller 25 being rotated by the gear 32 which meshes with a gear 34 secured to the shaft 26. The

` web 15 passes from the gummer device 18 downwardly over an inclined table 35 between an upper feed cylinder 36 and a lower feed cylinder 37 said inclined table 35 being supported on an invertedU shaped bracket 35a.

The web 15 is advanced through the machine by means of feed cylinders 36 and 37 which cylinders are secured to shafts 39 and 40 respectively and are geared to each other by gears 42 and 43 secured to the shafts 39 and 4() respectively, revolubly supported in upright end plates 41 of the,machine frame. To drive said feed cylinders, connection is made to the lower cylinder 37 by means of a gear 44 which may be driven by any suitable source of power and which gear meshes with a gear 45 secured to the shaft 40. The cylinder 36 is provided with two straps 46, Figure 2, one at or near each side thereof, which straps extend partly around said cylinder. Said straps may be of leather and and gummed side flaps 1 of the container, passes between the feed cylinders 36 and 37, Figure 2, it is tucked into a clamp 52 of the lower feed cylinder 37 by a tucker blade 53 on the upper cylinder 36, the clamp 52 being operated in a w'ell known manner as by cams, not shown, to grip the web at the proper time and subsequently release it. As the cla-mp 52 passes the edge of the table 47 the end flap 54, Figure 11, which forms the back of the envelope;-

is drawn in between theend of thetable 47 and the feed roller 37. Thus the back 54 is folded back against the reviously folded 7) of the envelope blank. G v

The envelope is'released from the cylinder at the proper time and is conducted by suitable guiding means, not shown, to revolvin rollers 57 and 58, Figure 1, on shafts 55 and 56 respectively. There are two sets of these rollers, one set at each side of the envelope, said rollers being effective to firmly press the' back 54 against the gummed side flaps 17 to seal the sides of the envelope. The envelopes may be conducted from the rollers and 56 to suitable means, not shown, to convey them from the machine. It will be understood that as soon as the clamp -52 grips the web on the cylinder 37, the upper cylinder 36 ceases to` assist in feeding the web since the end of the feed straps 46 thereon leave the cylinder 37. Thus the web is then drawn through the machine by the lowercylinder 37 until a knife 57 on the upper cylinder severs an envelope blank from the web at 5 8, Figure 11.

By an inspection of Figure 2`it will be seen that the leading edge of the strap 46 is as close as possible to the knife 57. There is, however, a little space between the knifel and the leading edges of the straps 46 which may prevent the straps, from catching hold of the web 15 soon enough after a blank has been severed by the knife 57. This would give the web 15 a chance to draw back from between the cylinders 36 and 37 and thus interfere with the feeding of said web. `To

avoid any such occurrence, there is provided a web gripping device 59 which comprises a relatively fixed roller 60 and a floating roller 61 between which rollers the web passes on its way to the feed cylinders 36 and 37.' The rollers 60 and 61 are normally separated to permit free passage of the web 15 therebetween so as to avoidsmearing the ink of printed matter on the web which it may re- From the feed ceive at a printer (not shown) before reaching the rollers 60 and 61 and which printing may still be wet. The rollers are caused to grip the web just prior to severing of the blank 52 by the knife 57, and between the various printed sections of the Web. Said rollers retain their grip on the web until the straps 46 of the feed cylinder 36 have acquired agood hold on the web subsequent to which the rollers are again separated. While the web is gripped by the rollers 60 and 61 it is also fed thereby, the roller having secured thereto for this purpose gears 60A and 61A respectively. Said gears mesh with each other and are driven by the gear 43 which has meshing therewith an intermediate gear B which drives the gear 60A.

To control he rollers 6() and 61 so that they separate and come together at the proper time, the upper roller 61 is carried by a shaft 62, Figure 2, supported in links 63, one at each end of said shaft, said links being pivoted at 64 on the end plates 41 of the machine frame. Each link 63 has secured thereto an arm 65 extending forwardly therefrom, said arms bearing on the peripheries of cam discs 66 by means of rollers 67 secured to said arms. The cam discs 6-6 are secured to the shaft 39 of the upper feed cylinder 36, and each disc is concentric with the shaft 39, except for a depression 68, so as to keep the roller 61 out of contact with the web 15 until the depressions 68 come opposite the rollers 67 which allows the roller 61 to be forced downwardly against the roller 60, by springs, not shown, which springs may be connected to the links 63, to grip the web immediately prior to severing the blank 52 from the web. As the feed cylinder 36 continues in its rotation and after it has firmly gripped the web the rollers 67 ride up out of the depressions 68 and on to the concentric peripheries of the cam discs 66, thus lifting the gripper roller 61 away from the roller 60 to free the web 15. The arms 65 may be adjusted about the axis of the roller shaft 62 so as to acquire the proper adjustment of the arm relatively to the cam disc 66. Each arm 65 may be secured in its adjusted position by a headed screw 69, which passes through a slot 70 in a rearward extension 71 of the arm 65, and is threaded into the link 63. J l/Vhile the envelope blanks 52 are passing between the feed cylinders 36 and 37 re-enforcing patcles 72 are applied thereto near the upper part of each blank, Figure 11, the re-enforcing patch being located on the inside of the envelope just below the top flap 73. The re-enforcing patches 72 are severed from a web 74, Figures 1 and 4, which is supplied from a supply roll 7 5 revolubly supported on a rod 76 supported by an arm 77 secured to the end plates 41. The supply roll 75 is held in place laterally on the rod 76 between flanges 78 on said rod. The patch 74 is connected from the supply roll 75 downwardly between intermittently operatedu feed rolls 79 and 80, hereinafter described, and then to a pair of shears 81. Said shears comprise a fixed-blade 82 secured to a cross-bar 83 supported between the end plates 41, and an oscillatory blade 84 carried by a frame 85 secured to a rock shaft 86 supported in the end plates 41. In Figures 1 and 3, the shears 81 are just about to be operated to sever a patch from the web 74.

To operate the shears 81 there is provided a spring 87, Figure 3, one end of which is con. nected to a pin 88 on the cross-bar 83. The other end of said spring is connected to a pin 89 secured to an arm 90 fixed to the shaft 86,

`which shaft supports theshear framev 855 The spring 87 tends to rock the shaft 86 in a clockwise direction andholds a roller 91 of the arm against a concentric periphery 92 of a cam disc 93. The latter is secured to a shaft 94 supported in the end plates 41 of the machine, to be rotated in a clock-wise direction by a gear 95, Figures l and 4, secured to` said shaft and meshing with the gear 42 on the shaft 39 of the upperfeed cylinder 36. When a depression 92al in the cam '90 disc 92 reaches the roller 91 the latter enters said depression as in Figure 8, and thus allows the spring 87 to rock the shaft 86 to swing the shear blade 84 towards the fixed shear blade 82 to sever a patch 72 from the 95 patch web 74. After the patch has been severed from the web, the shears 81 are immediately opened and the severed patch is then transferred to the envelope blank in a manner hereinafter described.

Immediately after the shears 81 have again been opened the patch web 74 is fed or advanced between-the shear blades a distance of one patch length preparatory to severing the next patch. `To bring about the feeding of the patch web 74, the feed roller 80 is mounted on a shaft 80a supported at each end by one of two arms 96, (Figure 1), secured to a rock shaft 97, a spring 98 being connected to one of the arms 96 to press the feed roller 80 against the feed roller7 9, thus firmly gripping the patch web between said feedA rollers. The feed roller 79 isl revolubly supported on a rod 99, supported by the end plates 41.

Said feed roller has connected thereto a gear\ 115,

be actuated, to rotate the feed roller 79 in a counter clock-wise direction, by a spring pressed pawl 104, Figures 3 and 4, pivotally supported on an arm 105 of an oscillatory bell crank 106 supported on the rod 99. To the other arm 107 of the bell-crank there is con- 55 l laterally extending post 125 secured to the nected a link 108, which is provided withla forked end 109 to straddle the shaft 94 to be guided thereby, saidlink having a roller 110 ilzlereon engaging the periphery of a cam disc As soon as the shears 81 have been opened the roller 110 rides up on a cam portion 112 of the disc l111 to push the link 108 upwardly in Figure 3 to rock the bell-crank 106, to thus rotate the feed roller 79 and 80, through the medium ofthe pawl 104 and ratchet wheel 103. This actuation of the link 108 and consequent feeding of the patch web may be 111 and finally rides down an incline 114Al of said cam disc to allow the link 108 to return and cause the pawl 104 to slide back over the teeth of the ratchet wheel 103. To hold the feed roller 79 and prevent reverse rotation thereof during the return stroke of the pawl 104, there may be provided any suitable form of friction device, notshown on the shaft 99.

Immediately after the patch 72 has been severed from the web it is pushed against a patch supporting table 115 attached to arms 116 secured to a sleeve 117 on the shaft 94. This is brought about by a T shaped finger 118 (Figures 1, 4 and 8). Said finger is adjustably secured to a rock shaft 119 and normally stands away from the table 115 as in Figure 1 so that the patch web may be fed freely down between said finger and the table 115. To hold the finger in this position there is secured to the rock shaft 119 an arm- 121 provided at its free end with a roller 120 bearing on the periphery of a cam disc 122 secured to the shaft 39, said arm being heldagainst said disc by a spring 123 which may be connected to said arm. The cam disc is provided with a cut out 124 into which the roller 120 may enter as in Figure 8 during the rotation of the said carm d isc so as to allow the linger 118 to be actuated by the spring 123 at the proper time to throw the patch 72 against the table 115. The rock shaft 119 is supported at one end in the left hand end plate 41 of the machine frame (Figure 4) and at the other end in the free end of a right hand end plate 41 by a nut 125A.

After the patch 72 reaches the table 115 it is instantly secured thereto by grippers 126 preparatory to conveying it to the upper feed cylinder 36 to which it is delivered to be further conveyed to the envelope web 15 in a mannerhereinafter described. There are two grippers 126, one at each end of the patch supporting table 115. These patch 7 p rior to placing of the patch on the table 115. l

Sald grippers are pivotall c su orted at 126A in brackets 127 securedto thleptable carrying arms 116 and they are held in their open positions b arms 128 securedto a rockshaft 129 carrie by the arms 116 which support the patch table 115. The arms 128 extend downwardly from said rock-shaft 129 and engage with lingers 130 of said grippers. The grippers are thus held against the tension of springs 131 contained in holes 132 in the arms 116, said springs pressing against tails 133 of the grippers. The shaft 129 is further provided with a horizontally disposed arm 134 having a roller 135 bearing on a concentric periphery 136 of a cam 137 as in Figure 1, which cam controls the grippers and may be rotated on the sleeve 117, as hereinafter described, to close the grippers.

To close the grippers while the table 115 is temporarily arrested, there is provided a cam 138 secured to the shaft 39 which shaft rotates in a counter clock-wise direction. Engaging the periphery of said cam there is a roller 139 of an arm 140 secured to the cam 137. Immediately after the patch has been placed on the table 115, a depression 141 ofate the latter and rotate the Cain 137 as illusy trated in Figure 8. This rotation of the cam 137 allows the arm 134 of the rock shaft 129 t0 drop int-,o a depression 143 of the cam 137 and thuspermit the springs 131 to close the grippers 125 as indicated in dotted lines in Figure 7 to grip the patch 72. After the patch is so gripped the sleeve 117 ',is again rotated to convey the patch while it is held on the table 115, to the feed cylinder 36, Figure 9. The patch placing finger 118 is returned to normal by the cam disc 122, Fig. 8, soon after the patch is secured to the table 115 by the grippers 125.

After the patch reaches the upper feed cylinder 36, shown in Fi ure 9, it is transferred to said cylinder to e finally conveyed to a position between the feed cylinders 36 and 37 where the patch is attached to the envelope web 15. To receive the patch 72 from the table 115 there is provided, on the feed cylinder 36, a platform or pad 144, Figures 4 and 9.y Extending through said pad and into the cylinder 36 are holes 145 communicating with a main hole 146 extending in from the right side of the cylinder 36, Figure 4. To hold the patch 72 on the pad 144, while it is being conveyed from the position in Figure 9 to the web 15, a vacuum is produced in these holes at the proper time, by any suitable means, such as a pump not shown, connected to a tube 147. The tube 147 is connectedto a pipe 147A threaded l a groove 149 having an open side against the right side of the cylinder 36. The. groove 149 is concentric with the shaft and so arranged with respect to the hole 146 in the cylinder 36 that'said hole is brought to one end of the groove, when the table 115 and the pad 144 meet as in Figure 9 to produce a suction at hole 145 in said pad to secure the patch to the cylinder 36.

After the suction device has become active to hold the patch on the cylinder 36, the patch is released from the table 115, by releasing the grippers 126. The releasin of the grippers is brought about, at this time,v

by the actuation of the rock-shaft 129 by the roller 135 riding out of the depression 143 and up on the concentric periphery of the cam disc 137, the cam disc 137 having in the meantime been slowly restored to its normal position, Figure 1, by the cam 138 in preparation for its next operation to close the grippers 126. It will thus be seen that the cam 137 operates as a stationary cam when bringing about the opening of the grippers, and operates as a movable cam in bringing about the closing of the grippers. The cylinder 36 is provided withcutouts 150, Figure 4, at eachl side of the pad 144 to provide clearance for the grippers 126 when they reach the position in F lgure 9.

As the feed cylinder 36 continues in its rotation the patch is held thereon by the suction device until said patch meets the web 15 between the cylinders 36 and 37 where the patch is pressed against a previously gummed portion of the web. Said web is gummed, for 'the patch, by a gummer bar 151, Figure 2, supported on arms 152 secured to the shaft 27. Said'gummer bar 151 is located between the gummer discs 19 and is adapted to be gummed by the roller after which it is carried around to the roller 30, over which the web 15 passes. The pad 144 may be composed of rubber to press the 'patch tightly against the web. After the patch is applied tothe web 15 the hole 146 in4 the feed cylinder 36 leaves the lowerl 'nd of the concentric groove 149 thus releasing the suction so that there is no tendency for the web to cling to the cylinder, as this action would interfere with the advancement of the web. To enable the groove 149 to be adjusted so that the hole 146 meets it at the proper timeto shut off the suction, the disc 148 may be moved about the shaft 39 slightly, the disc being provided for this purpose with an arm 153 to which is connected a link 154 which link may be adjusted up and down on an arm 155 rigidly secured to the post 121, Figure 4. The link 154 is secured in position by 'a screw 156 extending' through a .slot 157 in said link and threaded into the arm 155. The disc 148 is held tightly against the side of the cylinder 36 to prevent leakage of air, by means of springs 158 pressing to the end of the continually rotating shaft 94 by a linkage 162. Said linkage comprises an arm 163 secured to-the shaft 94 by a set screw 163A to rotate therewith. On a headed stud 164, secured to said arm 163 by a nut 164A there is pivotally supported a bell crank 165A comprising an arm 165, connected by a link 166 to an arm 167 secured to the sleeve 117 by a set screw 167A. The bell crank 165A- comprises another arm 168 provided with a roller ,169 engaging in a cam groove 170 formed in the side of a cam plate 171 adjustably secured to the end plate 41 by means of screws 172 Figure 5, extending through slots 173 in said cam plate. When the table 115 is inthe positionv shown in Figure 1 the linkage 162 occupies the position shown in Figure 5. When the table 115 reaches the position shown in Figure 8 the point of connection 174 between the arm 163 and the link 166 occupies a position on the radial line 174A in Figure 5. During a further rotation of the shaft 94, after the point of connection has reached the position on the radial line 174A, thel bell-crank 165A is moved about its pivot 164 in a clock-wise direction fastl enough to cause the point of connection `174 to remain in the position indicated by said line 174A, in Figures 5 and 10 until the arm 163 reaches the position in Figure 10. Thus the tabl/e 115 which is connected to the arm 167, remains temporarily at rest to allow the gripper 126 to be actuated as in Figures 7 and 8 to secure the patch to said table while the shaft 94 continues to rotate. The linkage connection 162 between the shaft and the sleeve 137 reaches the position in Figure 10 shortly after the patch 72 has been gripped Iin Figure 8. When the parts continue from this position the linkage A162 becomes effective to again rotate the sleeve 137 tJo cause the patch 72 to be carried to the feed cylinder 36, Figure 9. It will be understood that the cam groove 170 is shaped so as to control the bell-crank 164 to cause the patch carrying table 115 to be temporarily arrested at the proper time and then to be again rotated to complete the revolution. Thus during a single rotation of the shaft 94 the table 115 also makes a complete revolution, but during the rotation of the table its rate of speed is decreased until it is arrested for a time, after which it again starts and. it

increases until finally itmakes a complete revolution in the same period of time which it takes the shaft 94 to make one revolution. The cam plate 171 is adjustablymounted as by the screws 172, with respect to the roller 169, to cause the patch table 115 to be arrested at the pro er time.

In the particullar form of embodiment illustrated the end shearing device 50 is provided to produce the cut-out 175, Figure 11, in the end of the web, but it will be understood that any desired form of end shearing device may be em loyed. The shearing device comprises a ed blade 176, Figure 1, supported on the fixed cross bar 49, said blade having a cut-out 177 which conforms to the cut-out 175 of the envelope blank. A movable blade 178 of the shear device is supported on a bracket 179 secured to a shaft 180 which is rotated by the driving gear 44 through an intermediate gear 181 meshing with a ear 182 secured to the shaft 180. rIhe bla e 178 is shaped to conform with the contour of the slot 177 of the blade 176 and is so timed that it engages with said fixed blade when the end of the web extends over the blade 177. The blade 178 is langularly disposed on the bracket 179 as shown in Figures 1 and-4 so as to cut from one end of the slot 177 to the other as? said blade` passes the fixed blade 176.

Although only one form of mechanism embodying the invention isshown and described vherein, ity will be understood that many changes and modifications may be made therein within the scope of the appended claims withoutv departing from the spirit and scope of the invention.

What I claim is:

1. In an envelope making machine the com'- bination with an u er feed roll and lower feed roll between w 1ch a web ofmaterial is fed continually, of means to support a roll of patch web, a pair of shears, means to feed the patch web intermittently between the shears, meansJto actuate the shears while the atch web is at rest to sever a patch, a revolule patch carrier; means to temporarily arrest said patch carrier, means to` attach the patch to the patch carrier while the latter is at rest, means to rotate said patch carrier to take the patch to one of said feed rolls, means to release the patch from said carrier, means to attach the patch while ini transit to said upper feed roll so that the patch may be carried to the envelope web, means to um the envelope web, means for attaching sald patch to the gummed portion of the envelope web, and means for releasing said patch from the feed cylinder.

2. In an envelope machine in which the envelopes are formed from a web of material which is fed continually through the machine, the combination -of means to intermittently feed a patch web, means to sever each patch from the web while the web is at rest,

means to grip the 4patch after it has been severed, a revoluble patch conveying element, means to rotate the gripping means to transfer the patch to the patch conveying element, means to release the patch from the means, means to hold the' patch on t e patch conveying element, means to rotate said patch conveying element to move the patch at the same speed as that of the web of material and to carry the patch in contact with the web to attach it thereto while in motion, and means to release the patch from the patch conveying element.

3. In an envelope machine in which the envelopes are formed from a web of material which is fed continually through the machine, the combination of means to conduct a patch web into the machine, means to detach the patches, one at a time, from the patch web, means to grip the patch after it has been detached from the patch web, means to apply the patch to the envelope web, means to actuate the gripping means after the patch is held thereby to transfer the patch to the'patch applying means, and means to move the patch appl ing means in the direction of 4feed of the enve ope web and at the same rate of speed.

4. In an envelope machine in which the envelopes v are formed from a web of material which isfed continually through the machine, the combination of means to receive a' patch from a rest position, means to set the patch receiving means in motion after the patch has been received and to increase the speed thereof until it has reached the speed ofthe web, means to transfer the patch to the web, and means to secure the patch while in transit to said web. f

5. The combination of continuously operated means for feeding a Hat article, a movable device, means to temporarily arrest said device to receive a patch to be applied to said article, and means to accelerate said device after it has received the patch to deliver the patch smoothly while in motion to the feeding mechanism, the patch being conveyed to the article by said feeding mechanism to be attached to said article thereby.

6. In an envelope making machine the combination of means to continually feed envelopeblanks past a place at which patches are to be attached thereto, a pair of shears to sever the patches individually from a patch web, means including a revoluble cam .so as to feed the patch web after the shears have been opened, means to transfer each patch from the severing position, and means to attach the patch to the envelope blank.

7. In an envelope making machine the comvbination of means to continually feed envelope blanks past a place at which patches are to be attached thereto, a fixed shear blade, an oscillatory shear blade to cooperate therewith to sever a patch from a patch web, a rock-shaft to which is secured the oscillatory blade, an arm secured to said rock shaft, a revoluble cam geared to the feeding means, said arm engaging said cam to cause the actuation of the oscillatory shear blade towards and away from the fixed shear blade to sever a patch from the patch web', means to feed the patch web one patch length after the shear blade has returned to its ineffective position, means to transfer the severed patch. from the severing position, and means to attach the patch to the envelope blank.

8. In an envelope making machine the combination of means to continually feed envelope blanks past a place at which patches are to be attached thereto, means to sever the patches individually from a patch web, means to cause the actuation of the severing means, feed rolls to feed said patch web, a pawl and ratchet to actuate said feed rolls, a revoluble cam geared to the envelope-blank feeding-means, means operated by said cam toy actuate the pawl and ratchet to intermittently feed the patch Web one patch length, means to transfer the severed patch from severing position, and means to attach the patch to the envelope blank.

9. The combination of means to feed an element to which a patch isA to be applied, patch receivingv means comprising a table, and a pair of grippers to fasten the patch against said table, a support for said table,

means on said support to actuate said grippers, a cam to control the actuation of said grippers, a patch delivering device effective to carry the patch to the element .to which it is to be applied, and means to rotate said support to carry the patch to said delivering device, said cam being' effective to cause the actuation of the gripperto release thel patch after it has been carried to the patch delivering device.

l0. The combination of means to feed an element to which a patch is to be applied, patch receiving meais connected to be rotated with the element feeding means, the receiving means comprising a table, a support therefor, and a pair of grippers to clamp the patch against said table, means to temporarily arrest the patch receiving means while the element feeding means continues in motion so 4that the patch may be received from a position of rest, means to actuate said gripper to 'secure the patch to the table while the support is arrested, a patch delivering device to carry the patch to the element to which it is to be secured, said support being again rotated after the patch' has been gripped to carry the patch to said patch delivering device.

11. The combination of means to feed an element to which a patch is to be applied, patch receiving means, a revoluble shaft, a connection between said shaft and said patch receiving means, means to control said connection so that the shaft may rotate the patch receiving means, and so that the'receiving means may be temporarily arrested to receive the patch from a position of rest whilethe shaft continues yto rotate, and a patchfdelivering device to carry the patch to the element to which itis to be applied, the -patch receiving means being again rotated after the patch has been gripped to carry the patch to the patch delivering de-vice.

12. The combination of means to feed anl element to which a patch is to be applied, patch receiving means, a continually rotating shaft, an arm secured to said shaft, a bellcrank pivotally supported on said arm, a sleeve on said shaft to lcarry the patch receiving means, an arm on said sleeve, a link connecting said last named arm to said bellcrank, a cam to oscillate the bell-crank as it is rotated bodily by its supporting arm to temporarily arrest the patch receiving device to receive the patch from a position of rest while the rotation of the shaft continues, anda patch delivering device to carry the patch to the element to which it is to be applied, the patch receiving means being again rotated after the patch has been gripped to carry the patch to the patch delivering device.

13. The combination of means to feed an element to which a patch is to be applied, patch receiving means, means to attach the patch to the patch receiving means, patch l delivering means, means to actuate the patch receiving means to carry the patch to the patch delivering means, a suction device associated with the patch delivering means, means to render said suction device effective to attach the patch to said patch delivering means while it is being transferred from the patch receiving means, means' to actuate the patch delivering means to carry the patch to thesaid first named element, and means to render the suction device ineffective after the patch has been applied to said element.

14. The combination of means to feed an element to which a patch is to be applied, patch receiving means, means to attach the patch tothe patch receiving means, patch delivering means, means to actuate the patch receiving means to carry the patch to thepatch deliveringmeans including a 'revoluble element, a shaft to support said revoluble element, a pad on said revoluble element, there being holes extending through said pad and into said revoluble element, the holes com-4 municating with a main hole extending to the side of said revoluble element,'a disc bearing against the side of said revoluble element, said disc having an arcuate groove in the side nearest the revoluble element, an air exhausting device connected to said disc, and communicating With said groove, the main hole beig brought into communication with one end of the groove when the patch is carried to the pad of said patch delivering device by the patch receiving device, the main hole remaining in communication With said groove until the patch has been delivered to the element to which the patch is to be applied, the main hole passing out of communication With said groove ailer the atch has been applied to rele-ase the patch rom, said pad.

15. In an envelope machine, in combination, means for feeding envelope material continuously, and means for attaching a Y patch to the envelope material while in transtransferrer are moving atthe same speed.

17. An envelope machine as set forth in claim 15 in which provision is made of means for mechanically gripping the patch to the patch carrier, a patch transferrer, and means for pneumatically holding the patch to the patch transferrer. A

18. In a machine of the kind described, a

variable speed patch carrier, a patch transv ferrer operated at uniform speed, and means for causing the transferrer to take the patch from the carrier while the carrier and the transferrer are operating at the same speed.

19. In a machine of the kind descibed, in combination, means for continuously feeding envelope material, and a patch carrier adapted to come to rest, receive a patch, and then accelerate the patch to the linear speed of saidenvelope material.

20. In a machine for applying patches or liners to envelope material,A in combination,J

a rotary patch transferring and applying element, means for delivering the patch to such element under positive control, suction means for holding the patch to such element, means for terminating the positive control, and means for making the suction means eective not later in the cycle than the time when the positive control is terminated.

21. In a machine for applying patches or liners to envelope material, in combination, a patch carrier, means for holding the patcht the patch carrier, a rotary patch transferrin and applying element arranged to receive t e patchl from the patch carrier, suction means for holding the patch to said element, and means lfor applying suction to the second mentioned holding means and thereafter rendering the first mentioned holding means ineffective.

In testimony whereof I have aliixed my signature to this specilication.

' ABRAHAM NOVICK.

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